source: svn/trunk/zas_dstar/devices/Tuner/S5H1411/TunerU7A26.c @ 2

/****************************************************************************
 * Module:      TunerU7A26
 *
 * Description: Tuner Driver for U7A26 Main Routines
 *
 * Notes: 20070312/hwatk
 *        20080123/jhkoh porting for TunerU7A26
 *
 ************************************************************************^^*/

#include <stdio.h>
#include "TunerU7A26.h"
#include "IicComm.h"

#include "dsthalcommon.h"
#include "dsthalcfg.h"
#include "S5H1411Core.h"

#ifndef NIMTN_TYPE
#error NIMTN_TYPE shall be defined!
#endif

#define U7A26_DEVICE_ADDRESS_WRITE                      (0xC2)
#define U7A26_SLAVE_ADDRESS                                     0xC3

#define DEBUG_U7A26             0

#if NIMTN_TYPE==NIMTN_U7A26

static BOOLEAN TunerU7A26BeforeSendBytes(void);
static BOOLEAN TunerU7A26AfterSendBytes(void);
extern DS_U32 gdhlExtDbgLvl;

extern int S5H1409_IicTransmit(unsigned char chipAddr, unsigned char *pBuffer, int len );
unsigned int U7A26_SendControlData(unsigned char Db1,unsigned char Db2,unsigned char Cb1,unsigned char Bb,unsigned char Cb2_Speed,unsigned char Cb2_Normal,int bNtsc);
static BOOLEAN U7A26_SetRFFreq(unsigned long ulFrequency, int isVSB, unsigned char *pucDb1, unsigned char *pucDb2, unsigned char* pucBb);


int Tuner_U7A26_SendFreq(unsigned long ulFreqInKHz, TunerDemod Demod )
{
        unsigned char Db1;
        unsigned char Db2;
        unsigned char Cb1;
        unsigned char Bb;
        unsigned char Cb2_Speed;
        unsigned char Cb2_Normal;

        Db1 = Db2 = Cb1 = Bb = Cb2_Speed = Cb2_Normal = 0;

        if( _FALSE_ == U7A26_SetRFFreq( ulFreqInKHz, Demod == DEMOD_8VSB, &Db1, &Db2, &Bb ))
                return -1;
        
        switch( Demod ) {
                case DEMOD_8VSB:   Cb1 = 0x8b; Cb2_Speed = 0xE1; Cb2_Normal = 0xC1; break;
                case DEMOD_64QAM:  
                case DEMOD_QAM:
                case DEMOD_256QAM: Cb1 = 0xa3; Cb2_Speed = 0xE1; Cb2_Normal = 0xC1; break;
                case DEMOD_NTSC:   Cb1 = 0xa3; Cb2_Speed = 0xE1; Cb2_Normal = 0xC1; break;
                case DEMOD_OFF:    Cb1 = 0xa3; Cb2_Speed = 0xF1; Cb2_Normal = 0xF1; break;
                default:
                        return -1;
        }
        
        return U7A26_SendControlData(Db1,Db2,Cb1,Bb,Cb2_Speed,Cb2_Normal,Demod==DEMOD_NTSC);
}

static BOOLEAN U7A26_SetRFFreq(unsigned long ulFrequency, int isVSB, unsigned char *pucDb1, unsigned char *pucDb2, unsigned char* pucBb)
{
        unsigned long ucNval;
        
        *pucDb1 = 0;
        *pucDb2 = 0;
        *pucBb = 0;
        
        if ((ulFrequency >= U7A26_LOW_BAND_MIN) && (ulFrequency <= U7A26_LOW_BAND_MAX) ) {
                if ( isVSB )
                        *pucBb = 0x1;
                else
                        *pucBb = 0x41;
        }
        else if((ulFrequency >=  U7A26_MID_BAND_MIN) && (ulFrequency <= U7A26_MID_BAND_MAX)){
                if ( isVSB )
                        *pucBb = 0x2;
                else
                        *pucBb = 0x42;
        }
        else if((ulFrequency >= U7A26_HIGH_BAND_MIN) && (ulFrequency <= U7A26_HIGH_BAND_MAX)){
                if ( isVSB )
                        *pucBb = 0x8;
                else
                        *pucBb = 0x48;
        }
        else 
                return _FALSE_;
        
        ucNval = (ulFrequency + 44000000);
        ucNval /= 62500;
        *pucDb1 = (ucNval>>8) & 0x7F;
        *pucDb2 = (ucNval>>0) & 0xFF;
        
        return _TRUE_;
}

BOOLEAN TunerU7A26BeforeSendBytes()
{
        if ( S5H1411x_RepeaterEnable() )
                return 0;
        
        return 1;
}

BOOLEAN TunerU7A26AfterSendBytes()
{
        if ( S5H1411x_RepeaterDisable() )
                return 0;
        
        return 1;
}

extern int S5H1409_IicTransmitEx(unsigned char chipAddr, unsigned char *pBuffer, int len );

unsigned int U7A26_SendControlData(unsigned char Db1,unsigned char Db2,unsigned char Cb1,unsigned char Bb,unsigned char Cb2_Speed,unsigned char Cb2_Normal,int bNtsc)
{
        unsigned char str[10];

        //open 2nd IIC channel  
        if (!TunerU7A26BeforeSendBytes())
                return U7A26_BEFORE_SEND_BYTES_FAILED;

        str[0] = Db1;
        str[1] = Db2;   
        str[2] = Cb1;
        str[3] = Bb;
        str[4] = Cb2_Speed;
        str[5]= '\0';

#if DEBUG_U7A26
        printf("TunerByte1: 0x%02X-0x%02X-0x%02X-0x%02X-0x%02X\n", str[0], str[1], str[2], str[3], str[4]);
#else
//      printf("TunerByte1: 0x%02X-0x%02X-0x%02X-0x%02X-0x%02X\n", str[0], str[1], str[2], str[3], str[4]);

        if (S5H1409_IicTransmitEx(U7A26_DEVICE_ADDRESS_WRITE, str, 5)) {
                return U7A26_SEND_CONTROL_DATA_FAILED;
        }
#endif
        if (!bNtsc) {
                //wait
            OS_mDelay(200); /* 200 ms */
        }
        
        str[0] = Cb1;
        str[1] = Bb;
        str[2] = Cb2_Normal;
        str[3]= '\0';
#if DEBUG_U7A26
        printf("TunerByte2: 0x%02X\n", str[0]);
#else
//      printf("TunerByte2: 0x%02X-0x%02X-0x%02X\n", str[0], str[1], str[2]);

        if (S5H1409_IicTransmitEx(U7A26_DEVICE_ADDRESS_WRITE, str, 3)) {
                return U7A26_SEND_CONTROL_DATA_FAILED;
        }
#endif
        //close 2nd IIC channel 
        if( !TunerU7A26AfterSendBytes())
                return U7A26_AFTER_SEND_BYTES_FAILED;
        else
                return U7A26_SUCCESS;
}

int Tuner_U7A26GetADC(void)
{
        int stat; 
        
        if ( TunerU7A26BeforeSendBytes() == 0 ){
                printf("|%s|%d|\n",__FUNCTION__,__LINE__);
                return -1;
        }
        
        stat = S5H_IicReadTunerByte( U7A26_SLAVE_ADDRESS );
        DHL_DbgPrintf(gdhlExtDbgLvl,DHLDBG_EXT,"|%s| stat=0x%x\n", __FUNCTION__, stat);
                
        if ( TunerU7A26AfterSendBytes() == 0 ){
                printf("|%s|%d|\n",__FUNCTION__,__LINE__);
                return -1;
        }
        
        return stat;
}

#endif//#if NIMTN_TYPE==NIMTN_DTT7611